Grade W2Mo9Cr4VCo8
Corresponding Standard GB 9943-1988
High Speed Tool Steel Bars-Technical Requirement
Classification Tool Steel
W2Mo9Cr4VCo8 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo W V Co
Minimum Value 1.05 0.15 0.15 - - 3.5 - - 9 1.15 0.95 7.75
Maximum Value 1.15 0.65 0.4 0.03 0.03 4.25 0.3 0.25 10 1.85 1.35 8.75
W2Mo9Cr4VCo8 Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Delivery condition Annealing ≤269
Delivery condition Other Processing Methods ≤285
sample Quenching and Tempering HRC
≥66
1 Approximate Comparison Table High-Speed Tool Steels
China Japan South Korea United States International Organization for Standardization Germany United Kingdom
GB JIS KS ASTM/AISI ISO DIN EN/DIN BS EN/BS
W2Mo9Cr4VCo8 SKH59 SKH59 M42 HS2-9-1-8 S2-10-1-8 BM42
2 Approximate Comparison Table High-Speed Steel 1
China Japan United States International Organization for Standardization Germany France United Kingdom
GB JIS ASTM ISO DIN EN/DIN W-Nr. NF EN/NF BS EN/BS
W2Mo9Cr4VCo8 YXM34 M33
M34
HS2-9-1-8 S2-9-2-8 1.3249 Z110DKCWV09-08-04-02-01 BM34
3 Approximate Comparison Table High-Speed Steel 2
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Sweden United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF SS14 BS EN/BS
W2Mo9Cr4VCo8 T72948 SKH59 SKH59 SKH59 M42 T11342 HS 2-9-1-8 S 2-10-1-8 1.3247 HS 2-9-1-8 2716 HS 2-9-1-8
BM42
4 Approximate Comparison Table High-Speed Steel 3
China Japan United States International Organization for Standardization European Standard Russia
GB ISC JIS ASTM UNS ISO EN GOST
W2Mo9Cr4VCo8 T72948 SKH59 M42 T11342 HS 2-9-1-8 HS 2-9-1-8 Р2АМ9К5
W2Mo9Cr4VCo8 Corresponding Standards(Same grade name, different standards)

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